Harryhausen

Proposed Canon

Harryhausens are one of the most dangerous types of wildlife in Erfworld. They are capable of felling entire cities.

Real World References

They may be a reference to Ray Harryhausen,
a special effects specialist who made the the stop motion effects of movies like the original Clash of the Titans, which featured "The Kraken", one of the most iconic (and gigantic) sea monsters of all time.